312 IAC 25-1-2
312 IAC 25-1-2 "A horizon" defined
Cite as Ind. Admin. Code tit. 312, r. 25-1-2
Sec. 2. "A horizon" means the uppermost mineral layer and is the part of the soil in which the organic matter is most abundant and where
the leaching of soluble or suspended particles is typically the greatest.